Material Analysis Using Sonic/Ultrasonic/Infrasonic Waves TRIZ Cases

A ring laser resonator directs a beam through a phase-shifted fiber Bragg grating to detect vibrations via transmitted light changes.

Segmented flexible plates position piezoelectric elements circumferentially to resolve groove interference and enable high precision flaw detection.

A rotatable head directs a flexible tube at an angle offset from the central axis for multi-directional tank access.

An ultrasonic aerosol analysis apparatus detects particulate matter content using acoustic wave propagation within a compact measurement chamber.

Dual acoustic matching layers align impedance to reduce reflection noise from low-frequency ultrasonic waves, improving signal-to-noise ratio.

Angled guided waves radiate compression waves into the fluid, averaging velocity data to resolve laminar-turbulent flow errors.

Acoustic ejector detects reservoir position via interrogation pulses, eliminating active control complexity while maintaining droplet ejection precision.

Replacing X-ray systems with modular ultrasound scanning reduces operational costs and enables on-site inspection of large civil engineering vehicle tires.

An acoustic cavity between interdigitated transducers confines surface acoustic waves, boosting detection sensitivity fourfold while minimizing insertion loss.

Replacing mechanical potentiometers with an acoustic cavity damper eliminates wear and manufacturing costs while maintaining precise vehicle control.

Leakage electric field from a capacitor excites piezoelectric crystals, resolving sensitivity loss when reducing plate distance for compact probes.

A magnetostrictive scanner probe generates shear horizontal guided waves using a ferromagnetic strip and biasing magnet.

Acoustic module induces cell vibrations for digital hologram imaging, resolving measurement precision and operation speed contradictions.

Reverse polarity charging voltage manages dielectric layer charge accumulation in CMUT devices, resolving efficiency degradation from excessive operating bias.

Positioning the waveguide end near the reflecting plane creates a near-point source effect to resolve directionality and low-frequency performance trade-offs.

A piezoelectric polymer coating generates wide bandwidth ultrasound signals detected by a remote laser Doppler velocity meter.

A diode-pumped fiber laser generates high-power single-frequency light for optical detection of ultrasound.

An ultrasonic transducer inside a pump housing detects liquid contact via impedance changes.

An acoustic module detects liquid in its passage by measuring transducer impedance changes.

Photoacoustic sensing eliminates liquid coupling media to enable non-destructive sample analysis across diverse materials.

A controller determines ultrasonic probe contact by comparing received signals acquired at different times.

An ultrasound inspection roller uses a high-density liquid wedge to acoustically couple transducers with composite materials.

A tensile-stressed composite membrane enables capacitive ultrasonic transducers to operate reliably in extreme temperatures up to 1000°C.

Binary mask patterns modulate droplet signals for simultaneous multi-channel detection using a single photodiode.

A gas meter system derives heating value using sound velocity and temperature measurements to estimate energy content accurately.

A phased array testing fixture positions a probe inside vehicle hubs using guide and slide elements.

Rotating non-linear cross-section parts past stationary curved sensors eliminates blind spots and reduces system complexity during ultrasonic inspection.

A linear electromagnetic actuator imparts controlled vertical forces to a vehicle wheel plate for precise suspension testing.

A guided wave sensor uses a heated polymeric bonding agent to flow and re-solidify against structural surfaces.

A rotating tire pressure sensor system harvests energy via magnetostatic coupling to power continuous acoustic monitoring.

Loop portions hook around probe protrusions to maintain fixing power, preventing detachment and enabling reusable maintenance.

Evaluating transducer damping identifies cavitation to prevent measurement errors and improve accuracy.

Solder reinforcement at groove bottoms prevents cracks and maintains conduction reliability in segmented ultrasonic transceivers.

Vertical sound travel with a curved reflector eliminates thermal expansion misalignment errors in polymeric urea tanks.

Replacing mechanical sampling with optical and electromagnetic sensing eliminates laboratory delays while delivering real-time carbon concentration data.

Electro acoustic sensors transmit pig data through external optical fibers, resolving non-real-time transmission and inaccurate positioning bottlenecks.

A biasing spring urges the sensor away from the probe end to maintain surface contact during rotation, reducing lift-off and enhancing detection sensitivity.

A metrology device uses sound waves and electromagnetic interference to generate three-dimensional images of substrate stacks.

Gamma-ray densitometry establishes PVT models to predict downhole density, resolving uncertainties in hydrostatic pressure calculations.

A circuit member sensing portion detects voltage changes induced by acoustic waves via the acoustoelectric effect.

A hydrogen flow meter uses ultrasonic transducers to measure gas properties.

Segmented electrode pairs on a piezoelectric element resolve the trade-off between transmission output and receiving sensitivity by adjusting spatial distances.

Dual frequency combs and optical resonators amplify acoustic signals to resolve the trade-off between high sensitivity and broad detection bandwidth.

Transducers transmit acoustic pulses and receive reflections to estimate sound speed profiles in ocean environments.

An adjustable sensor frame maintains constant distance from irregular tube surfaces, enabling precise carburization assessment without scaffolding.

A sensor carriage moves translationally within a contact shoe via a pivoting linkage to adjust the ultrasonic focal point.

A hybrid microfluidic channel structure enhances acoustic pressure to separate biological particulates in fluidic flow.

Segmenting the probe with intermediary correction optics reduces surface artifacts without increasing device complexity or measurement time.

Pulse heating reduces power consumption while maintaining detection accuracy for multiple gases.